Setting enclosure UWB planar on AWR MWO

I have a design for UWB antenna using AWR MWO 2002 v5
just want to make sure what the antenna enclosure setting has correct configuration
for every one who experienced or expert on AWR, kindly to review attached file and i hope a correction

regard

MWO files UWB.rar
Reference REF.rar

if the patch have a same width with feeder, is it can be still as a patch?
for some substrate thick there has no ground on back side, and add a shape on same side with conductor, how it be same function of groundplane, is it CPW structure but have different formula to calculate feeder width